New York Times bestselling author Sarah MacLean returns with the next Hell's Belles novel about a chaotic bluestocking and the buttoned-up detective enlisted to keep her out of trouble (spoiler: She is the trouble). With her headful of wild curls and wilder ideas and an unabashed love of experiments and explosives, society has labeled Lady Imogen Loveless peculiar...and doesn't know she's one of the Hell's Belles--a group...